Learn more

KOI TERUO

Overview
  • Total Patents
    60
About

KOI TERUO has a total of 60 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan and Republic of Korea. Its main competitors in its focus markets civil engineering are KOKUDO BOSAI GIJUTSU KK, SAMILENC and WON YONG MUN.

Patent filings in countries

World map showing KOI TERUOs patent filings in countries
# Country Total Patents
#1 Japan 59
#2 Republic of Korea 1

Patent filings per year

Chart showing KOI TERUOs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

Top inventors

# Name Total Patents
#1 Koi Teruo 59
#2 Kouzuki Toyojirou 1

Latest patents

Publication Filing date Title
KR20000005665A Equipment for boring a foundation ground
JP2000154692A Pit excavating device for foundation ground
JP2000096968A Ground boring apparatus
JP2000008757A No-earth discharge auger, rod
JP2000008755A Foundation ground excavating device
JPH11247573A Boring construction method and device of foundation ground
JPH11117652A Method and device for constructing foundation ground
JPH11117651A Method and device for drilling hole in foundation ground
JPH10184258A Hard ground excavating auger
JPH10183680A Device for excavating linked holes
JPH10159085A Method of drilling construction of connecting pit and device thereof
JPH10159471A Drilling device of foundation ground
JPH1037649A Method and device for constructing foundation ground
JPH1037650A Drilling device for foundation ground
JPH0988062A Excavation method of foundation ground and device thereof
JPH08319617A Method and equipment for improvement construction of foundation ground
JPH08269970A Boring device for foundation ground and method for execution of works in foundation ground
JPH08177365A Soil improvement work for construction and earth auger device therefor
JPH07305348A Method and device for improving foundation subsoil
JPH07247545A Method of treating soil cement in pile hole and device thereof